Guest Session: 1 Question Remaining.
Create Account
to save progress.
Login
Modular Arithmetic
easy
0:00.0
Calculate
(
10
+
20
+
30
)
(
m
o
d
7
)
(10 + 20 + 30) \pmod 7
(
10
+
20
+
30
)
(
mod
7
)
.
A
2
B
4
C
60
D
0
Submit Answer